1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.documentlibrary.action;
24  
25  import com.liferay.portal.SystemException;
26  import com.liferay.portal.kernel.json.JSONArray;
27  import com.liferay.portal.kernel.json.JSONFactoryUtil;
28  import com.liferay.portal.kernel.json.JSONObject;
29  import com.liferay.portal.kernel.util.ParamUtil;
30  import com.liferay.portal.struts.JSONAction;
31  import com.liferay.portlet.documentlibrary.model.DLFolder;
32  import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
33  import com.liferay.portlet.documentlibrary.service.DLFolderLocalServiceUtil;
34  import com.liferay.portlet.documentlibrary.service.http.DLFolderJSONSerializer;
35  
36  import java.util.ArrayList;
37  import java.util.List;
38  
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.http.HttpServletResponse;
41  
42  import org.apache.struts.action.ActionForm;
43  import org.apache.struts.action.ActionMapping;
44  
45  /**
46   * <a href="GetFoldersAction.java.html"><b><i>View Source</i></b></a>
47   *
48   * @author Edward Shin
49   */
50  public class GetFoldersAction extends JSONAction {
51  
52      public String getJSON(
53              ActionMapping mapping, ActionForm form, HttpServletRequest request,
54              HttpServletResponse response)
55          throws Exception {
56  
57          long groupId = ParamUtil.getLong(request, "groupId");
58          long parentFolderId = ParamUtil.getLong(request, "folderId");
59  
60          List<DLFolder> folders = DLFolderLocalServiceUtil.getFolders(
61              groupId, parentFolderId);
62  
63          JSONArray jsonArray = toJSONArray(folders);
64  
65          return jsonArray.toString();
66      }
67  
68      protected JSONArray toJSONArray(List<DLFolder> folders)
69          throws SystemException {
70  
71          JSONArray jsonArray = JSONFactoryUtil.createJSONArray();
72  
73          for (DLFolder folder : folders) {
74              jsonArray.put(toJSONObject(folder));
75          }
76  
77          return jsonArray;
78      }
79  
80      protected JSONObject toJSONObject(DLFolder folder) throws SystemException {
81          JSONObject jsonObj = DLFolderJSONSerializer.toJSONObject(folder);
82  
83          List<Long> subfolderIds = new ArrayList<Long>();
84  
85          subfolderIds.add(folder.getFolderId());
86  
87          DLFolderLocalServiceUtil.getSubfolderIds(
88              subfolderIds, folder.getGroupId(), folder.getFolderId());
89  
90          int subFoldersCount = subfolderIds.size() - 1;
91          int fileEntriesCount =
92              DLFileEntryLocalServiceUtil.getFileEntriesAndShortcutsCount(
93                  subfolderIds);
94  
95          jsonObj.put("subFoldersCount", subFoldersCount);
96          jsonObj.put("fileEntriesCount", fileEntriesCount);
97  
98          return jsonObj;
99      }
100 
101 }